By Yang Shou-zhong & Li Jian-yong. 6" x 9", 246 pages, paperback. One of the most important books in the history of Chinese medicine. In it, Li lays the foundation for the elevation of the spleen and stomach as the postnatal root of qi and blood production. This is the book which established the spleen's preeminence in both disease causation and as a focus of treatment.